EP1329877A3 - Speech synthesis and decoding - Google Patents

Speech synthesis and decoding Download PDF

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Publication number
EP1329877A3
EP1329877A3 EP03250280A EP03250280A EP1329877A3 EP 1329877 A3 EP1329877 A3 EP 1329877A3 EP 03250280 A EP03250280 A EP 03250280A EP 03250280 A EP03250280 A EP 03250280A EP 1329877 A3 EP1329877 A3 EP 1329877A3
Authority
EP
European Patent Office
Prior art keywords
voicing state
model parameters
digital
voicing
speech
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03250280A
Other languages
German (de)
French (fr)
Other versions
EP1329877A2 (en
EP1329877B1 (en
Inventor
John C. Hardwick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digital Voice Systems Inc
Original Assignee
Digital Voice Systems Inc
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Filing date
Publication date
Application filed by Digital Voice Systems Inc filed Critical Digital Voice Systems Inc
Publication of EP1329877A2 publication Critical patent/EP1329877A2/en
Publication of EP1329877A3 publication Critical patent/EP1329877A3/en
Application granted granted Critical
Publication of EP1329877B1 publication Critical patent/EP1329877B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L2013/021—Overlap-add techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Synthesizing a set of digital speech samples corresponding to a selected voicing state includes dividing speech model parameters into frames, with a frame of speech model parameters including pitch information, voicing information determining the voicing state in one or more frequency regions, and spectral information. First and second digital filters are computed using, respectively, first and second frames of speech model parameters, with the frequency responses of the digital filters corresponding to the spectral information in frequency regions for which the voicing state equals the selected voicing state. A set of pulse locations are determined, and sets of first and second signal samples are produced using the pulse locations and, respectively, the first and second digital filters. Finally, the sets of first and second signal samples are combined to produce a set of digital speech samples corresponding to the selected voicing state.
EP03250280.9A 2002-01-16 2003-01-16 Speech synthesis Expired - Lifetime EP1329877B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46666 2002-01-16
US10/046,666 US20030135374A1 (en) 2002-01-16 2002-01-16 Speech synthesizer

Publications (3)

Publication Number Publication Date
EP1329877A2 EP1329877A2 (en) 2003-07-23
EP1329877A3 true EP1329877A3 (en) 2005-01-12
EP1329877B1 EP1329877B1 (en) 2013-11-27

Family

ID=21944711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03250280.9A Expired - Lifetime EP1329877B1 (en) 2002-01-16 2003-01-16 Speech synthesis

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US (2) US20030135374A1 (en)
EP (1) EP1329877B1 (en)

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Also Published As

Publication number Publication date
EP1329877A2 (en) 2003-07-23
US20030135374A1 (en) 2003-07-17
US8200497B2 (en) 2012-06-12
US20100088089A1 (en) 2010-04-08
EP1329877B1 (en) 2013-11-27

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